Rep. Darrell Issa claims that he has seen an email that shows that the Obama Administration contacted YouTube in the hours after the 2012 attack on a U.S. diplomatic mission in Benghazi to warn the site about keeping an anti-Islam video online. Meanwhile, Secretary of State John Kerry has agreed to testify before the House Oversight committee on Benghazi.

Issa claims that the letter was sent from the White House to the Diplomatic Security Command Center on Sept. 11, 2012 at 9:11 p.m. ET, hours after the attack, reports Fox News. The Republican from California says that letter reads in part, “White House is reaching out to UTube to advise ramifications of the posting of the Pastor Jon Video.”

The letter is currently marked classified and Issa is calling for the White House to declassify it. He believes that it is evidence that the White House tried to connect the attack with the controversial video, but that turned out to be false.

“The email shows the White House had hurried to settle on a false narrative — one at odds with the conclusions reached by those on the ground — before Americans were even out of harm’s way or the intelligence community had made an impartial examination of available evidence,” Issa said.

Issa has been calling on Kerry to testify before the House Oversight committee and subpoenaed him to appear on May 29. However, The Associated Press notes that the State Department said that Kerry will be busy on that date. The department suggested June 12 or June 20 instead.

The House has also voted to set up a special select committee to investigate the Benghazi attack, which lead to the deaths of four Americans. Minority Leader Nancy Pelosi named five Democrats that will join Republicans on the bipartisan panel yesterday.